oj.uz

Submission #673330

# Submission time Handle Problem Language Result Execution time Memory
673330 2022-12-20T08:35:39 Z abysmal Sightseeing in Kyoto (JOI22_kyoto) C++14
100 / 100
 619 ms 25964 KB 
#include<iostream>
#include<stdio.h>
#include<stdint.h>
#include<vector>
#include<algorithm>
#include<utility>
#include<set>
#include<map>
#include<queue>
#include<stack>

using namespace std;

const int64_t INF = 1e9 + 777;
const int64_t mINF = 1e9;
const int64_t MOD = 998244353;
const int nbit = 11;
const int ndig = 10;
const int nchar = 26;
const int D = 4;
int dr[D] = {0, 1, 0, -1};
int dc[D] = {1, 0, -1, 0};

struct Thing
{
    int64_t val;
    int i;
    int j;
    int t;

    Thing(int64_t val_, int i_, int j_, int t_) : val(val_), i(i_), j(j_), t(t_) {}

    bool operator < (const Thing& o) const
    {
        int64_t len1 = j - i;
        int64_t len2 = o.j - o.i;

        if(val * len2 != o.val * len1) return (val * len2) > (o.val * len1);
        if(t != o.t) return t > o.t;
        if(i != o.i) return i > o.i;
        return j > o.j;
    }
};

struct Solution
{
    int64_t ans;
    set<int> ai;
    set<int> bi;
    set<Thing> s;
    vector<int64_t> a;
    vector<int64_t> b;
    Solution() {}

    void solve()
    {
        int nr;
        int nc;
        cin >> nr >> nc;

        a.resize(nr);
        b.resize(nc);
        for(int i = 0; i < nr; i++)
        {
            cin >> a[i];
        }

        for(int i = 0; i < nc; i++)
        {
            cin >> b[i];
        }

        //t = 0 = a // t = 1 = b
        for(int i = 1; i < nr; i++)
        {
            s.insert(Thing(a[i] - a[i - 1], i - 1, i, 0));
        }

        for(int i = 1; i < nc; i++)
        {
            s.insert(Thing(b[i] - b[i - 1], i - 1, i, 1));
        }

        s.insert(Thing(-INF, -1, -2, - 1));
        for(int i = 0; i < nr; i++)
        {
            ai.insert(i);
        }

        for(int i = 0; i < nc; i++)
        {
            bi.insert(i);
        }

        ans = 0;
        while((int) s.size() != 1)
        {
            Thing tmp = *(s.begin());
            s.erase(s.begin());

            int i = tmp.i;
            int j = tmp.j;
            int t = tmp.t;

            if(t == 1) RemoveCol(i, j);
            else RemoveRow(i, j);
        }

        cout << ans << "\n";
    }

    void RemoveCol(int i, int j)
    {
        bi.erase(j);

        set<int>::iterator it = bi.lower_bound(j);
        if(it != bi.end())
        {
            int nx = (*it);

            s.erase(Thing(b[nx] - b[j], j, nx, 1));
            s.insert(Thing(b[nx] - b[i], i, nx, 1));
        }
        else
        {
            int len = j - i;
            for(int c = 0; c < len; c++)
            {
                ans += a.back();
                b.pop_back();
            }
        }
    }

    void RemoveRow(int i, int j)
    {
        ai.erase(j);

        set<int>::iterator it = ai.lower_bound(j);
        if(it != ai.end())
        {
            int nx = (*it);
            s.erase(Thing(a[nx] - a[j], j, nx, 0));

            s.insert(Thing(a[nx] - a[i], i, nx, 0));
        }
        else
        {
            int len = j - i;
            for(int c = 0; c < len; c++)
            {
                ans += b.back();
                a.pop_back();
            }
        }
    }

    int modsub(int t1, int t2)
    {
        int res = t1 - t2;
        if(res < 0) res += MOD;

        return res;
    }

    int modadd(int t1, int t2)
    {
        int res = t1 + t2;
        if(res >= MOD) res -= MOD;

        return res;
    }

    int modmul(int t1, int t2)
    {
        int64_t res = 1LL * t1 * t2;
        return (res % MOD);
    }

    bool BIT(int& mask, int& j)
    {
        return (mask & MASK(j));
    }

    int MASK(int j)
    {
        return (1 << j);
    }
};

void __startup()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);

//    freopen("in.txt", "r", stdin);
//    freopen("out.txt", "w", stdout);
}

int main()
{
    __startup();
    int t = 1;
//    cin >> t;

    for(int i = 1; i <= t; i++)
    {
        Solution().solve();
    }

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 236 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 155 ms 9808 KB Output is correct
5 Correct 89 ms 9176 KB Output is correct
6 Correct 43 ms 4136 KB Output is correct
7 Correct 579 ms 23800 KB Output is correct
8 Correct 591 ms 23804 KB Output is correct
9 Correct 604 ms 24576 KB Output is correct
10 Correct 595 ms 24544 KB Output is correct
11 Correct 164 ms 24432 KB Output is correct
12 Correct 580 ms 24544 KB Output is correct
13 Correct 577 ms 24640 KB Output is correct
14 Correct 318 ms 24652 KB Output is correct
15 Correct 123 ms 24748 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 320 KB Output is correct
19 Correct 0 ms 316 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 324 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 236 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 155 ms 9808 KB Output is correct
33 Correct 89 ms 9176 KB Output is correct
34 Correct 43 ms 4136 KB Output is correct
35 Correct 579 ms 23800 KB Output is correct
36 Correct 591 ms 23804 KB Output is correct
37 Correct 604 ms 24576 KB Output is correct
38 Correct 595 ms 24544 KB Output is correct
39 Correct 164 ms 24432 KB Output is correct
40 Correct 580 ms 24544 KB Output is correct
41 Correct 577 ms 24640 KB Output is correct
42 Correct 318 ms 24652 KB Output is correct
43 Correct 123 ms 24748 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 320 KB Output is correct
47 Correct 0 ms 316 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 324 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 177 ms 11468 KB Output is correct
56 Correct 2 ms 468 KB Output is correct
57 Correct 10 ms 1464 KB Output is correct
58 Correct 36 ms 3668 KB Output is correct
59 Correct 604 ms 25832 KB Output is correct
60 Correct 592 ms 25688 KB Output is correct
61 Correct 619 ms 25752 KB Output is correct
62 Correct 565 ms 25748 KB Output is correct
63 Correct 129 ms 25628 KB Output is correct
64 Correct 605 ms 25760 KB Output is correct
65 Correct 599 ms 25760 KB Output is correct
66 Correct 190 ms 25688 KB Output is correct
67 Correct 138 ms 25964 KB Output is correct